Samson says Thunder Pro provides 20 percent more hp than stock

Publish Date: 
Jun 3, 2013

BREA, Calif. — Samson’s new 2 into 1 Thunder Pro exhaust is made to fit most Harley-Davidson models. With the company’s new “multi-stepped baffle technology,” the exhaust reportedly offers up to a 20 percent increase in horsepower and torque over stock.

The exhaust features full-coverage heat shields, a 4-inch muffler and a removable billet aluminum end cap.

Available finishes include chrome and Sinister Black Ceramic. MSRP is $599.95.